func coveredValidation(vA, vB *OverlappingMatchValidationForHTTPRoute) bool {
	// check the URI overlapping match, such as vB.Prefix is '/debugs' and vA.Prefix is '/debug'
	if strings.HasPrefix(vB.Prefix, vA.Prefix) {
		// check the port field
		if vB.MatchPort != vA.MatchPort {
			return false
		}

		// check the match method
		if vA.MatchMethod != vB.MatchMethod {